Home / 236,275.36-326,060.07-128,842.63

Finding the Fourth Proportional to 236,275.36, 326,060.07 and 128,842.63

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Solution

The fourth proportional to 236,275.36, 326,060.07 and 128,842.63 is: 177,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,275.36 : 326,060.07 = 128,842.63 : x
  2. Step 2: Convert to fraction form
    236,275.36/326,060.07 = 128,842.63/x
  3. Step 3: Cross multiply
    236,275.36x = 326,060.07 × 128,842.63
  4. Step 4: Simplify right side
    236,275.36x = 42,010,435,658.47
  5. Step 5: Solve for x
    x = 42,010,435,658.47/236,275.36
  6. Step 6: Final answer
    x = 177,802.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.